VisualElement.OnMeasure(Double, Double) 方法

定义

命名空间:

Microsoft.Maui.Controls

程序集:

Microsoft.Maui.Controls.dll

进行布局测量时调用的方法。

protected:
 virtual Microsoft::Maui::SizeRequest OnMeasure(double widthConstraint, double heightConstraint);

protected virtual Microsoft.Maui.SizeRequest OnMeasure (double widthConstraint, double heightConstraint);

abstract member OnMeasure : double * double -> Microsoft.Maui.SizeRequest
override this.OnMeasure : double * double -> Microsoft.Maui.SizeRequest

Protected Overridable Function OnMeasure (widthConstraint As Double, heightConstraint As Double) As SizeRequest

参数

widthConstraint

Double

请求的宽度约束。

heightConstraint

Double

请求的高度约束。

返回

SizeRequest

元素在设备上显示所需的请求大小。